Check for layer renderer in flush

bug:9310706

In some cases flush will occur after a layer is destroyed. Avoid
trying to draw after putting the layer in the layer cache.

Change-Id: I55d66f420e7354fe552c82eb3145a7d91b4441e3

1 files changed, 2 insertions, 1 deletions

diff --git a/libs/hwui/Layer.cpp b/libs/hwui/Layer.cpp
index 7c22bbb..4708af1 100644
--- a/libs/hwui/Layer.cpp
+++ b/libs/hwui/Layer.cpp
@@ -214,7 +214,8 @@ void Layer::defer() {
 }
 
 void Layer::flush() {
-    if (deferredList) {
+    // renderer is checked as layer may be destroyed/put in layer cache with flush scheduled
+    if (deferredList && renderer) {
         renderer->setViewport(layer.getWidth(), layer.getHeight());
         renderer->prepareDirty(dirtyRect.left, dirtyRect.top, dirtyRect.right, dirtyRect.bottom,
                 !isBlend());